Biological data, including fish length, wei... JA Gulland 被引量: 415发表: 1965年 Evaluation of Stocking Walleye Fry to Enhance a Commercial Fishery in a Large, Canadian Prairie Lake More than 100 million fry of walleye Stizostedion vitreum are stocked annually into lakes of the prairie ...
299. The wakened cake baker awakes to that he has to brake by the lake.被唤醒的蛋糕师傅醒悟到他必须在湖边刹车。300. I overtake the undertaker who takes my stake by mistake.我追上那个误拿我赌注的承办人。第七天301. The cryi...
570 toy [tɔi] n 玩具;玩物 571 lake [leik] n 湖 572 clear [kliə] adj清晰的;清楚的;明亮的 573 shop [ʃɔp] n 商店 574 closed [kləuzd] adj 关着的 575 day [dei] n 日,一天 576 Friday ['fraidi] n 星期五 577 early ['ə...
The lake is not near,so there’s ___ people going swimming there. a few few 8.a few weeks / few weeks •few 极少,几乎没有 •a few 一点,一些,几个 •a few •few + 可数名词 a little water / little time little几少,几乎没有 a little 一点点,一些 little a little + 不可...
If you want to enjoy ___ whole West Lake, there are three kinds of sight you need to see. The sunny one, the rainy one and the night view of it. There is a saying that the sunny West Lake is not equal ___ the rainy West Lake, and the rainy West Lake is less beautiful than...
It said goldfish have not proven to have a significant impact on the lake's rainbow trout population which has remained stable in the fishery. "In addition to electrofishing, 6,000 yearling Horsefly strain rainbow trout have been added to the stocking regime annually s...
One child makes streets for his cars, _ __ a second child builds houses along the_ __.A third scoops out a hole and_ ___ the dirt to make a hill, then pours water in the _ __ to make a lake, using sticks for _ __. The children name the streets, and __ __ may even ...
Results of the IBM simulations revealed that increasing the average size at stocking from 110 to 160 mm total length led to an increase in the average PCB concentration in the stocked cohort at age 5, after the fish had spent 4 years in the lake, from 2.33 to 2.65 mg/kg; the ...
70. The persons in the town didn'tbelieve the truth thatthe lake had been polluted by the nearby chemical factories until the lakewas covered withthe dead fish. 直到湖里全是死鱼时,镇里的人们才相信这个事实,即湖泊已经...
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